Scientists know that manganese, in its various oxide forms, plays a significant role in Earth's geochemical cycles. However, ...

Thick crust and wet lava around the Azores volcanoes may trace to ancient seawater stored 400 miles down and tapped by a ...

Computer simulations have uncovered a new manganese compound that could exist deep in Earth’s mantle and may be connected to ...

The Mariana Trench drops nearly 36,000 feet beneath the Pacific, deep enough to swallow Mount Everest with more than 1 mile ...

Seismic imaging has exposed two massive zones hidden deep in Earth’s mantle. These giant blobs, known as large low-velocity provinces, or LLVPs, stretch beneath Africa and the Pacific. They are so ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions predicted to occur deep in Earth’s mantle. The study shows how oxidized melts ...

No one knows why the river of liquid iron flowing 1,400 miles beneath our feet just reversed course.

A recent study has revealed an unexpected shift that happened beneath the Pacific Ocean ...

IMAGE: This artistic view of the Earth’s interior shows hydrocarbons forming in the upper mantle and transported through deep faults to shallower depths in the Earth’s crust. The inset shows a… Click ...

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused by mantle plumes that rise from shifting underground mountains deep within ...

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...